powerpc/code-patching: Return error on patch_branch() out-of-range failure

Do not silentely ignore a failure of create_branch() in
patch_branch(). Return -ERANGE.

Signed-off-by: Christophe Leroy <redacted>
---
 arch/powerpc/lib/code-patching.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c
index f9a3019e37b4..0bc9cc0416b8 100644
--- a/arch/powerpc/lib/code-patching.c
+++ b/arch/powerpc/lib/code-patching.c

@@ -202,7 +202,9 @@ int patch_branch(u32 *addr, unsigned long target, int flags)
 {
 	struct ppc_inst instr;
 
-	create_branch(&instr, addr, target, flags);
+	if (create_branch(&instr, addr, target, flags))
+		return -ERANGE;
+
 	return patch_instruction(addr, instr);
 }
 

-- 
2.25.0

Christophe Leroy wrote:

Do not silentely ignore a failure of create_branch() in
patch_branch(). Return -ERANGE.

Signed-off-by: Christophe Leroy <redacted>
---
 arch/powerpc/lib/code-patching.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Naveen N. Rao <redacted>